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Old 05-13-2021, 04:37 PM   #1
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3031 DEF Code

Helio,
I got a 3031 code and only that code. Def Temp? Anyone else get this and only this? Has it led to the dreaded DEF Head failure?

Spoke with Spartan. They said they don't replace for just that one code? They said to keep driving.

Thanks
Pat
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Old 05-13-2021, 04:43 PM   #2
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Quote:
Originally Posted by Motang View Post
Helio,
I got a 3031 code and only that code. Def Temp? Anyone else get this and only this? Has it led to the dreaded DEF Head failure?

Spoke with Spartan. They said they don't replace for just that one code? They said to keep driving.

Thanks
Pat
I think that one is just the beginning, but if not it’ll eventually go away.
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Old 05-13-2021, 05:24 PM   #3
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Quote:
Originally Posted by Motang View Post
Helio,
Spoke with Spartan. They said they don't replace for just that one code? They said to keep driving.

Thanks
Pat
Boy, that gives you great confidence to drive, especially a long way from home.
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Old 05-13-2021, 05:55 PM   #4
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It's the first of 2 codes before it goes into dereate. Hard to believe that Spartan would say to keep driving with known problem DEF Heads. Once they start to go, I have not heard of one that permanently fixed itself. I hope it does continue for you, but keep and eye out for the second code.
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Old 05-13-2021, 06:01 PM   #5
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It's the first of 2 codes before it goes into dereate. Hard to believe that Spartan would say to keep driving with known problem DEF Heads. Once they start to go, I have not heard of one that permanently fixed itself. I hope it does continue for you, but keep an eye out for the second code.
And the third...

1761 – Diesel Exhaust Fluid Tank Volume

3031 – Diesel Exhaust Fluid Tank Temperature

3364 – Diesel Exhaust Fluid Quality

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Old 05-13-2021, 06:59 PM   #6
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Can you clear codes to get home. Will it drive at all?
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Old 05-14-2021, 12:01 PM   #7
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Can you clear codes to get home. Will it drive at all?
Unfortunately no - you can't clear EPA-related codes until the trouble conditions that caused them have been resolved. Actually, that's not exactly true, in that there are some very expensive code readers that will clear EPA-related codes, but as soon as you fire the engine to go anywhere the codes will come right back unless the conditions that caused them have been resolved.

No one seems to know for sure how many miles and/or hours you can drive before de-rating sets in. Similarly, no one seems to know if the "de-rate clock" is reset when you clear the codes with one of the very expensive code readers but haven't addressed the conditions that caused the codes to appear.

Bottom line, my guess is you're going to see all three of the codes listed in my previous post relatively soon. When my DEF head unit failed, it started with just one code, which was 3364 (DEF Quality). I figured I had some bad DEF, so I got rid of what was in the tank, added some fresh DEF and hit the road. For 20 to 25 miles, all was well. Then the original code 3364 reappeared, accompanied by the other two 1761 (DEF Tank Volume) and 3031 (DEF Tank Temperature). You can read all about it here:

https://www.irv2.com/forums/f278/lat...ub-525122.html
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Old 05-14-2021, 01:09 PM   #8
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I know you posted on the thread started by newtotoro who had the exact same code appear. Spartan immediately sent out a new gen 7 DEF head which replaced the old one. https://www.irv2.com/forums/f103/303...ml#post5749707

It would be wise, IMO, to call Spartan again and request/demand and explanation of why you are not getting a new DEF head for the same condition.
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Old 05-15-2021, 06:59 AM   #9
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I know you posted on the thread started by newtotoro who had the exact same code appear. Spartan immediately sent out a new gen 7 DEF head which replaced the old one. https://www.irv2.com/forums/f103/303...ml#post5749707

It would be wise, IMO, to call Spartan again and request/demand and explanation of why you are not getting a new DEF head for the same condition.
Totally agree with that. After having two DEF heads fail on brand new coach, I don't think I would roll over with the excuse to wait for another code when I am out on the road. I did not buy a brand new coach to have "partial DEF head problems that is probably going to leave me in limp mode soon.
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Old 05-15-2021, 10:09 AM   #10
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Got to know Spartan hates this forum
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Old 05-15-2021, 10:18 AM   #11
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Got to know Spartan hates this forum
I know they don't care much for me.
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